:root {
  --bg: #f6f7f4;
  --panel: #ffffff;
  --ink: #243029;
  --muted: #69746d;
  --line: #dfe4dc;
  --green: #27735f;
  --green-dark: #185343;
  --blue: #315f8f;
  --amber: #b26b22;
  --rose: #9e4050;
  --soft-green: #e9f4ef;
  --soft-blue: #eaf1f8;
  --soft-amber: #fff3df;
  --shadow: 0 18px 45px rgba(36, 48, 41, 0.08);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: "Segoe UI", "Yu Gothic UI", system-ui, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.7;
}

a { color: inherit; }

.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(255, 255, 255, 0.92);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(10px);
}

.nav {
  max-width: 1120px;
  margin: 0 auto;
  padding: 14px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  text-decoration: none;
}

.brand-mark {
  width: 34px;
  height: 34px;
  border-radius: 8px;
  display: grid;
  place-items: center;
  color: #fff;
  background: linear-gradient(135deg, var(--green), var(--blue));
  font-weight: 900;
}

.nav-links {
  display: flex;
  gap: 18px;
  color: var(--muted);
  font-size: 0.92rem;
}

.nav-links a, footer a { text-decoration: none; }

.hero {
  max-width: 1120px;
  margin: 0 auto;
  padding: 42px 20px 22px;
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(340px, 0.98fr);
  gap: 30px;
  align-items: center;
}

.eyebrow, .tag {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  font-weight: 700;
}

.eyebrow {
  gap: 8px;
  color: var(--green-dark);
  background: var(--soft-green);
  border: 1px solid #cce4d9;
  padding: 5px 12px;
  font-size: 0.85rem;
}

h1 {
  margin: 18px 0 14px;
  font-size: clamp(2rem, 5vw, 4.2rem);
  line-height: 1.08;
  letter-spacing: 0;
}

h2 {
  margin: 0;
  font-size: 1.55rem;
  line-height: 1.25;
  letter-spacing: 0;
}

h3 { letter-spacing: 0; }

.lead {
  margin: 0;
  color: var(--muted);
  font-size: 1.05rem;
  max-width: 620px;
}

.hero-actions, .action-row, .affiliate-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.hero-actions { margin-top: 26px; }

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 18px;
  border-radius: 8px;
  border: 1px solid var(--line);
  background: #fff;
  color: var(--ink);
  text-decoration: none;
  font-weight: 700;
  box-shadow: 0 8px 18px rgba(36, 48, 41, 0.06);
  cursor: pointer;
}

.button.primary {
  background: var(--green);
  border-color: var(--green);
  color: #fff;
}

.hero-visual {
  min-height: 380px;
  border-radius: 8px;
  background:
    linear-gradient(135deg, rgba(39, 115, 95, 0.92), rgba(49, 95, 143, 0.9)),
    linear-gradient(45deg, #d9ecdf, #f8e5c7);
  box-shadow: var(--shadow);
  padding: 22px;
  color: #fff;
  position: relative;
  display: grid;
  align-content: end;
  overflow: hidden;
}

.shelf {
  position: absolute;
  inset: 24px 24px auto auto;
  width: 210px;
  display: grid;
  gap: 10px;
}

.shelf-row {
  height: 28px;
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.9);
  display: grid;
  grid-template-columns: 38% 22% 1fr;
  gap: 8px;
  padding: 7px;
}

.shelf-row span {
  display: block;
  border-radius: 4px;
  background: rgba(39, 115, 95, 0.35);
}

.visual-card {
  background: rgba(255, 255, 255, 0.16);
  border: 1px solid rgba(255, 255, 255, 0.32);
  border-radius: 8px;
  padding: 18px;
  backdrop-filter: blur(8px);
}

.visual-card strong {
  display: block;
  font-size: 2.4rem;
  line-height: 1;
  margin: 8px 0;
}

.section {
  max-width: 1120px;
  margin: 0 auto;
  padding: 34px 20px;
}

.section-title {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 16px;
}

.section-title p, .muted-text {
  margin: 0;
  color: var(--muted);
}

.tool-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.tool, .panel, .note-card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 8px 24px rgba(36, 48, 41, 0.04);
}

.tool {
  min-height: 168px;
  padding: 16px;
  text-decoration: none;
}

.tool.muted { opacity: 0.72; }

.tool b {
  display: block;
  font-size: 1.02rem;
  margin: 12px 0 6px;
}

.tool p, .note-card p, .article p {
  margin: 0;
  color: var(--muted);
}

.tag {
  padding: 3px 9px;
  font-size: 0.75rem;
}

.tag.green { color: var(--green-dark); background: var(--soft-green); }
.tag.blue { color: var(--blue); background: var(--soft-blue); }
.tag.amber { color: #855019; background: var(--soft-amber); }
.tag.rose { color: var(--rose); background: #f8e9eb; }

.split, .tool-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(320px, 1.1fr);
  gap: 24px;
  align-items: start;
}

.tool-layout {
  max-width: 1120px;
  margin: 0 auto;
  padding: 34px 20px;
}

.panel, .note-card { padding: 20px; }

.panel.sticky { position: sticky; top: 84px; }

label {
  display: block;
  color: var(--muted);
  font-size: 0.85rem;
  font-weight: 700;
  margin: 0 0 6px;
}

.field { margin-bottom: 14px; }

input, select {
  width: 100%;
  min-height: 42px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 9px 11px;
  color: var(--ink);
  background: #fff;
  font: inherit;
}

.checks {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin: 6px 0 18px;
}

.check {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 9px 10px;
  color: var(--muted);
  font-size: 0.86rem;
  background: #fff;
}

.check input {
  width: auto;
  min-height: 0;
  margin-right: 6px;
}

.result-head {
  display: flex;
  justify-content: space-between;
  align-items: start;
  gap: 16px;
  margin-bottom: 18px;
}

.score {
  min-width: 108px;
  text-align: center;
  border-radius: 8px;
  background: var(--soft-green);
  color: var(--green-dark);
  padding: 12px;
  font-weight: 800;
}

.score span {
  display: block;
  font-size: 1.8rem;
  line-height: 1;
}

.result-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.metric {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 14px;
  background: #fbfcfa;
}

.metric small {
  display: block;
  color: var(--muted);
  font-weight: 700;
}

.metric strong {
  display: block;
  font-size: 1.5rem;
  margin-top: 5px;
}

.affiliate {
  margin-top: 16px;
  border-radius: 8px;
  background: #f9f4e9;
  border: 1px solid #ead5ad;
  padding: 16px;
}

.affiliate h3 { margin: 0 0 8px; font-size: 1rem; }

.mini-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 38px;
  padding: 0 13px;
  border-radius: 8px;
  background: #fff;
  border: 1px solid #ead5ad;
  text-decoration: none;
  font-weight: 800;
  color: #6d4519;
}

.article {
  max-width: 820px;
  margin: 0 auto;
  padding: 34px 20px 54px;
}

.article h1 {
  font-size: clamp(2rem, 4vw, 3rem);
}

.article h2 {
  margin-top: 28px;
  font-size: 1.28rem;
}

.article p { margin-top: 10px; }

.plain-list {
  padding-left: 1.2em;
  margin: 10px 0 0;
  color: var(--muted);
}

.plain-list li + li { margin-top: 6px; }

.related {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-top: 18px;
}

footer {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 14px;
  padding: 28px 20px 42px;
  color: var(--muted);
  text-align: center;
  font-size: 0.86rem;
}

@media (max-width: 880px) {
  .hero, .split, .tool-layout { grid-template-columns: 1fr; }
  .hero-visual { min-height: 300px; }
  .tool-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .result-grid, .related { grid-template-columns: 1fr; }
  .panel.sticky { position: static; }
}

@media (max-width: 560px) {
  .nav { align-items: flex-start; flex-direction: column; gap: 10px; }
  .nav-links { gap: 12px; flex-wrap: wrap; font-size: 0.86rem; }
  .hero { padding-top: 28px; }
  .tool-grid { grid-template-columns: 1fr; }
  .checks { grid-template-columns: 1fr; }
  .result-head { flex-direction: column; }
  .score { width: 100%; }
}